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The XCM519 series is an IC that integrates a synchronous rectification step-down DC/DC converter and a corresponding low input voltage regulator in one package. The operating voltage is 2.7V to 6.0...[Details]
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PLC ladder programming is a graphical language used in computer control systems. It is developed to facilitate engineers in program design and maintenance. Similar to other programming languages, P...[Details]
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When debugging the STM32's i2c and io ports to simulate the spi protocol, I found that timing is critical. STM32 can implement i2c or spi protocols at 72M, but it does not mean that the same code will...[Details]
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I have briefly discussed this before. Based on my personal understanding and knowledge as a rookie, I will review the previous knowledge: DMA: My understanding is a channel, or a bridge. A communic...[Details]
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1. Determination of system functional requirements
Before selecting a DCS, you must first clarify the application objectives, put forward the requirements for DCS functions, and determine the ...[Details]
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A megger is commonly known as a shaking meter. Most meggers are powered by hand-cranked generators, so they are also called shaking meters. Its scale is in megohms (MΩ). It is a commonly used measuri...[Details]
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OPLC is another
fiber-optic composite cable
product promoted by the State Grid Corporation after OPGW and OPPC. This product integrates optical fiber, power transmission copper wire, and co...[Details]
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Recently, AT&T CEO Jeff McElfresh said in an interview with CNBC that Apple's upcoming 5G iPhone may not sell well due to economic uncertainty caused by the global health crisis. "I do believe you'...[Details]
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Charging fault detection and troubleshooting
The reasons why new energy vehicles cannot be charged can be roughly divided into three categories.
The first type is that the physical ...[Details]
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In embedded development, we often compile busybox to create rootfs, and then run executable programs on it. So how can we modify the configuration to make a rootfs compatible with both 32-bit and 6...[Details]
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A topic goal
This project uses the 51 series single-chip microcomputer to realize a frequency meter and uses an LCD1602 liquid crystal display to display the measured frequency value.
Analysis of t...[Details]
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There are three main types of resistors: carbon resistors, carbon film resistors, and metal film resistors. The most widely used are carbon film resistors, and the highest-end are metal film resist...[Details]
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By the second quarter of 2024, the penetration rate of new energy vehicles has exceeded 50%.
However, He Xiaopeng believes that truly advanced intelligent cars have not yet arrived, and ...[Details]
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1. ARM instruction structure 1. ARM assembler program composition: Assembly instruction + pseudo-operation + macro instruction (instruction directive pseudo-instruction); Pseudo operation: def...[Details]
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As technology advances and develops, today's flat-panel digital TVs and monitors are much thinner than the old, bulky cathode ray tube (CRT) displays used in the past. These new flat-panel TVs are ve...[Details]
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